JPH04123728A - Touch panel - Google Patents
Touch panelInfo
- Publication number
- JPH04123728A JPH04123728A JP2245850A JP24585090A JPH04123728A JP H04123728 A JPH04123728 A JP H04123728A JP 2245850 A JP2245850 A JP 2245850A JP 24585090 A JP24585090 A JP 24585090A JP H04123728 A JPH04123728 A JP H04123728A
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- insulating substrate
- temperature
- touch panel
- film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 25
- 239000013013 elastic material Substances 0.000 claims description 2
- 229920006254 polymer film Polymers 0.000 abstract description 9
- 239000011521 glass Substances 0.000 abstract description 5
- 238000007665 sagging Methods 0.000 abstract description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/703—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by spacers between contact carrying layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/024—Properties of the substrate
- H01H2209/038—Properties of the substrate transparent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/046—Properties of the spacer
- H01H2209/06—Properties of the spacer transparent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/082—Properties of the membrane transparent
Landscapes
- Position Input By Displaying (AREA)
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はタッチパネルに間する。[Detailed description of the invention] (Industrial application field) The present invention relates to touch panels.
（従来の技術）
タッチパネルは、ＣＲＴデイスプレィや液晶デイスプレ
ィ等の表示体の表面に設置し、情報入力装置や座標指示
装置として利用している。(Prior Art) A touch panel is installed on the surface of a display such as a CRT display or a liquid crystal display, and is used as an information input device or a coordinate indicating device.
タッチパネルは、表面に電極を形成した絶縁基板を２枚
、互いに電極を対向しスペーサを介し接着剤により積層
し張り付けた構造になっている。A touch panel has a structure in which two insulating substrates each having electrodes formed on their surfaces are laminated and pasted together with an adhesive with the electrodes facing each other via a spacer.
そして、タッチ面を形成する方の絶縁基板は、ガラス板
やアクリル板等を使用すると、ツメやボールペン等の突
起物により触れると割れる事故を生じ易いために、−殻
内には薄い高分子フィルム等を用いている。If the insulating substrate that forms the touch surface is made of a glass plate or acrylic plate, it is likely to break if touched by a protrusion such as a nail or a ballpoint pen, so there is a thin polymer film inside the shell. etc. are used.
（発明が解決しようとする課題）
しかし、高分子フィルム等は、温度や温度の影響を受け
て伸び縮みを生じ易い、そして他方の絶縁基板にガラス
板等を用いた場合には、この絶縁基板が高分子フィルム
等に比べて温度等の影響による伸縮が小さいため、高分
子フィルム等だけがたるみ、高温高湿のテスト等を行な
うとそのたるみが残る欠点があった。(Problem to be solved by the invention) However, polymer films, etc. tend to expand and contract under the influence of temperature, and when a glass plate, etc. is used as the other insulating substrate, this insulating substrate Because it expands and contracts less due to temperature and other factors than polymer films, etc., only the polymer films, etc., sag, and this sag remains when tested at high temperatures and high humidity.
本発明の目的は、以上の欠点を改良し、高分子フィルム
等からなる絶縁基板のなるみを防止したタッチパネルを
提供するものである。An object of the present invention is to improve the above-mentioned drawbacks and provide a touch panel in which the insulating substrate made of a polymer film or the like is prevented from becoming bent.
（課題を解決するための手段）
本発明は、上記の目的を達成するなめに、温度または湿
気の影響により伸縮し易い材質のフィルムに電極を形成
した絶縁基板に、電極を形成した他の絶縁基板をスペー
サを介して積層したタッチパネルにおいて、塑性変形し
難い弾性体からなるスペーサを有することを特徴とする
タッチパネルを提供するものである。(Means for Solving the Problems) In order to achieve the above objects, the present invention provides an insulating substrate with electrodes formed on a film made of a material that easily expands and contracts under the influence of temperature or moisture, and an insulating substrate with electrodes formed thereon. The present invention provides a touch panel in which substrates are laminated with spacers interposed therebetween, the touch panel having a spacer made of an elastic body that is difficult to deform plastically.
（作用）
スペーサに塑性変形し難い弾性体を用いると、高温度や
高湿度中にタッチパネルをさらしても、フィルムの伸縮
をスペーサにより吸収できるため、フィルムのたるみが
ほとんどなくなる。(Function) When an elastic body that is difficult to undergo plastic deformation is used for the spacer, even if the touch panel is exposed to high temperature or high humidity, the expansion and contraction of the film can be absorbed by the spacer, so that there is almost no sagging of the film.
（実施例） 以下、本発明を実施例に基づいて説明する。(Example) Hereinafter, the present invention will be explained based on examples.
図面において、１は高分子フィルム等の温度または湿気
の影響により伸縮し易い材質のフィルムからなる絶縁基
板である。２は、このフィルム１の表面に形成した電極
であり、複数条を並列に設けている。３はガラス板等の
絶縁基板である。４はこの絶縁基板３に複数条を並列に
設けた電極である。５は、絶縁基板１と絶縁基板３の端
部に接着剤６により貼り着けたスペーサであり、絶縁基
板１と絶縁基板３とを積層するもので、ゴムシートやウ
レタンあるいはその発泡体等の塑性変形し難い材質から
なる。７は、絶縁基板３の表面に設けたドツト状のスペ
ーサである。In the drawings, reference numeral 1 denotes an insulating substrate made of a film made of a material that easily expands and contracts under the influence of temperature or moisture, such as a polymer film. 2 is an electrode formed on the surface of this film 1, and a plurality of electrodes are provided in parallel. 3 is an insulating substrate such as a glass plate. Reference numeral 4 denotes an electrode in which a plurality of strips are provided in parallel on this insulating substrate 3. 5 is a spacer attached to the ends of the insulating substrate 1 and the insulating substrate 3 with an adhesive 6, and is used to laminate the insulating substrate 1 and the insulating substrate 3, and is made of a plastic material such as a rubber sheet, urethane, or its foam. Made of material that is difficult to deform. 7 is a dot-shaped spacer provided on the surface of the insulating substrate 3.
を極２及び電Ｉ＃Ｉ４は、各々絶縁基板１及び絶縁基板
３の表面にＩＴＯ等を蒸着し長方形状にエツチングして
形成する。また、スペーサ６は絶縁樹脂を印刷して形成
する。The electrode 2 and the electrode I#I4 are formed by depositing ITO or the like on the surfaces of the insulating substrate 1 and the insulating substrate 3, respectively, and etching them into a rectangular shape. Further, the spacer 6 is formed by printing an insulating resin.
次に、上記の実施例と比較例とを、温度６５℃で５００
ｈ加熱した後、温度６５℃、湿度９５％ＲＨの雰囲気中
に２０ｈ放置し、さらに温度２０°Ｃ１湿度５０％ＲＨ
の雰囲気中に２０ｈ放置した後に、フィルムからなる絶
縁基板のたるみを目視でａ察した各実施例及び比較例の
条件は次の通りとする。Next, the above examples and comparative examples were heated at 65°C for 500°C.
h After heating, leave for 20 hours in an atmosphere with a temperature of 65°C and a humidity of 95% RH, and then leave it in an atmosphere of a temperature of 20°C and a humidity of 50% RH.
The conditions for each of the Examples and Comparative Examples in which sagging of the insulating substrate made of a film was visually observed after being left in the atmosphere for 20 hours were as follows.
実施例１）
絶縁基板１
長さ２８■、幅２３ｃｍ、厚さ１２５μｍのポリエステ
ルフィルム
絶縁基板３
長さ２８１．幅２３■、厚さ１．８ｒＩａのガラス板
電［！２・電極４
ＩＴＯを蒸着してエツチングして形成する。Example 1) Insulating substrate 1: Polyester film insulating substrate 3: length 281 cm, width 23 cm, thickness 125 μm. A glass plate with a width of 23cm and a thickness of 1.8rIa [! 2. Electrode 4 Formed by depositing ITO and etching.
スペーサ５
厚さ３００μｍの高密度圧縮ウレタンフオーム
実施例２）
スペーサ５に厚さ３００μｍのゴム系発泡体を用いる以
外は実施例１と同一条件とする。Spacer 5 High-density compressed urethane foam with a thickness of 300 μm Example 2) The conditions were the same as in Example 1 except that the spacer 5 was made of a rubber foam with a thickness of 300 μm.
ルシートを用いる以外は実施例１と同じとする。The procedure is the same as in Example 1 except that a sheet of paper is used.
たるみを測定した結果は、実施例１及び実施例２はたる
みがなく、比較例はたるみがありショート不良となった
。As a result of measuring the sag, there was no sag in Examples 1 and 2, and there was sag in the comparative example, resulting in short-circuit defects.
（発明の効果）
以上の通り、本発明によれば、スペーサにウレタンフオ
ームやゴム等の塑性変形し難い弾性体を用いているため
、絶縁基板に高分子フィルム等の温度等の影響により伸
縮し易い材質を使用してもたるみを生じることなくショ
ート不良等を防止しうるタッチパネルが得られる。(Effects of the Invention) As described above, according to the present invention, since the spacer is made of an elastic material such as urethane foam or rubber that does not easily undergo plastic deformation, the insulating substrate does not expand or contract due to the influence of temperature, etc., such as a polymer film. A touch panel can be obtained that can prevent short-circuit defects and the like without causing sagging even when a flexible material is used.
図は本発明の実施例の断面図を示す。
１．３・・・絶縁基板、 ２．４・・・電極、５．７・
・・スペーサ。
特許出願人 日立コンデンサ株式会社The figure shows a cross-sectional view of an embodiment of the invention. 1.3... Insulating substrate, 2.4... Electrode, 5.7...
··Spacer. Patent applicant Hitachi Capacitor Co., Ltd.
Claims (1)
ィルムに電極を形成した絶縁基板に、電極を形成した他
の絶縁基板をスペーサを介して積層したタッチパネルに
おいて、塑性変形し難い弾性体からなるスペーサを有す
ることを特徴とするタッチパネル。(1) In a touch panel, an insulating substrate in which electrodes are formed on a film made of a material that easily expands and contracts due to the influence of temperature or humidity, and another insulating substrate on which electrodes are formed are laminated via a spacer, which is made of an elastic material that is difficult to deform plastically. A touch panel characterized by having a spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2245850A JPH04123728A (en) | 1990-09-14 | 1990-09-14 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2245850A JPH04123728A (en) | 1990-09-14 | 1990-09-14 | Touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04123728A true JPH04123728A (en) | 1992-04-23 |
Family
ID=17139771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2245850A Pending JPH04123728A (en) | 1990-09-14 | 1990-09-14 | Touch panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04123728A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0860294A2 (en) * | 1997-02-21 | 1998-08-26 | Ricoh Microelectronics Co., Ltd. | Intaglio printing method, intaglio printer and touch panel |
| WO2003005390A1 (en) * | 2001-07-06 | 2003-01-16 | Matsushita Electric Industrial Co., Ltd. | Touch panel switch |
| US7517567B2 (en) | 2002-03-26 | 2009-04-14 | Panasonic Corporation | Transparent touch panel and a method of manufacturing the same |
| US7633565B2 (en) | 2003-06-18 | 2009-12-15 | Panasonic Corporation | Touch panel and method of manufacturing the same |
| JP2012221468A (en) * | 2011-04-14 | 2012-11-12 | Fujitsu Component Ltd | Touch panel |
-
1990
- 1990-09-14 JP JP2245850A patent/JPH04123728A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0860294A2 (en) * | 1997-02-21 | 1998-08-26 | Ricoh Microelectronics Co., Ltd. | Intaglio printing method, intaglio printer and touch panel |
| EP0860294A3 (en) * | 1997-02-21 | 1999-10-06 | Ricoh Microelectronics Co., Ltd. | Intaglio printing method and intaglio printer |
| WO2003005390A1 (en) * | 2001-07-06 | 2003-01-16 | Matsushita Electric Industrial Co., Ltd. | Touch panel switch |
| US6831241B2 (en) | 2001-07-06 | 2004-12-14 | Matsushita Electric Industrial Co., Ltd. | Touch panel switch |
| US7517567B2 (en) | 2002-03-26 | 2009-04-14 | Panasonic Corporation | Transparent touch panel and a method of manufacturing the same |
| US7633565B2 (en) | 2003-06-18 | 2009-12-15 | Panasonic Corporation | Touch panel and method of manufacturing the same |
| JP2012221468A (en) * | 2011-04-14 | 2012-11-12 | Fujitsu Component Ltd | Touch panel |
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